diff --git a/Appraisals b/Appraisals
index 2906dd0..96937c7 100644
--- a/Appraisals
+++ b/Appraisals
@@ -1,8 +1,5 @@
-appraise 'rails_42' do
-  gem 'rails', '~> 4.2.0'
-  gem 'test_after_commit'
-end
+# frozen_string_literal: true
 
-appraise 'rails_5' do
-  gem 'rails', '~> 5.2.0'
+appraise 'rails_52' do
+  gem 'rails', '~> 5.2.6'
 end
diff --git a/gemfiles/rails_42.gemfile b/gemfiles/rails_42.gemfile
deleted file mode 100644
index a162a92..0000000
--- a/gemfiles/rails_42.gemfile
+++ /dev/null
@@ -1,20 +0,0 @@
-# This file was generated by Appraisal
-
-source "https://rubygems.org"
-
-gem "appraisal"
-gem "fastimage"
-gem "sqlite3"
-gem "aws-sdk-s3"
-gem "fog-local"
-gem "delayed_paperclip", git: "https://github.com/insales/delayed_paperclip.git"
-gem "sidekiq", "~> 2.0"
-gem "test-unit"
-gem "thoughtbot-shoulda", ">= 2.9.0"
-gem "mocha"
-gem "pry"
-gem "pry-byebug"
-gem "rails", "~> 4.2.0"
-gem "test_after_commit"
-
-gemspec path: "../"
diff --git a/gemfiles/rails_5.gemfile b/gemfiles/rails_52.gemfile
similarity index 93%
rename from gemfiles/rails_5.gemfile
rename to gemfiles/rails_52.gemfile
index 00f7914..9b37f83 100644
--- a/gemfiles/rails_5.gemfile
+++ b/gemfiles/rails_52.gemfile
@@ -8,12 +8,12 @@ gem "sqlite3"
 gem "aws-sdk-s3"
 gem "fog-local"
 gem "delayed_paperclip", git: "https://github.com/insales/delayed_paperclip.git"
+gem "rails", "~> 5.2.6"
 gem "sidekiq", "~> 2.0"
 gem "test-unit"
-gem "thoughtbot-shoulda", ">= 2.9.0"
 gem "mocha"
+gem "thoughtbot-shoulda", ">= 2.9.0"
 gem "pry"
 gem "pry-byebug"
-gem "rails", "~> 5.2.0"
 
 gemspec path: "../"